Only 3% of bird species have penises.
0
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Sharks have been on the planet longer than trees.
14
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2